86% (1976)

58% (1985)

63% (2006)

65% (2012)

75% (2018)

71% (2006)

66% (2006)

83% (2005)

60% (1998)

73% (2014)

79% (2011)

95% (2013)

76% (2018)

75% (1999)

64% (2009)

62% (2005)

43% (1964)

81% (2021)

76% (2005)

68% (2018)